About the Authors

Elard Koch

elardkoch@gmail.com

Affiliations Institute of Molecular Epidemiology (MELISA), Center of Embryonic Medicine and Maternal Health, Faculty of Medicine, Universidad Católica de la Santísima Concepción, Concepción, Chile, Department of Primary Care and Family Medicine, Faculty of Medicine, University of Chile, Santiago, Chile, Doctoral Program, Division of Epidemiology, School of Public Health, Faculty of Medicine, University of Chile, Santiago, Chile

John Thorp

Affiliation Department of Obstetrics and Gynecology, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina, United States of America

Miguel Bravo

Affiliation Institute of Molecular Epidemiology (MELISA), Center of Embryonic Medicine and Maternal Health, Faculty of Medicine, Universidad Católica de la Santísima Concepción, Concepción, Chile

Sebastián Gatica

Affiliation Institute of Molecular Epidemiology (MELISA), Center of Embryonic Medicine and Maternal Health, Faculty of Medicine, Universidad Católica de la Santísima Concepción, Concepción, Chile

Camila X. Romero

Affiliation Department of Primary Care and Family Medicine, Faculty of Medicine, University of Chile, Santiago, Chile

Hernán Aguilera

Affiliation Department of Primary Care and Family Medicine, Faculty of Medicine, University of Chile, Santiago, Chile

Ivonne Ahlers

Affiliation Department of Primary Care and Family Medicine, Faculty of Medicine, University of Chile, Santiago, Chile

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EK JT. Performed the experiments: EK JT MB SG CR HA IA. Analyzed the data: EK MB SG. Contributed reagents/materials/analysis tools: EK MB SG JT. Wrote the paper: EK JT MB SG CR. Prepared the methodology of the study: EK. Served as lead author of the manuscript: EK. Conceptualized and supervised the study: EK JT. Assisted with the study design: MB HA IA. Assisted with the data collection: MB. Assisted with homologation of ICD codes: MB. Assisted with figure design: MB. Assisted with editing the article: CR SG JT MB. Assisted with the revision of the final manuscript: HA IA.